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Finding the Fourth Proportional to 4,530.64, 6,795.97 and 1,243.78

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Solution

The fourth proportional to 4,530.64, 6,795.97 and 1,243.78 is: 1,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.64 : 6,795.97 = 1,243.78 : x
  2. Step 2: Convert to fraction form
    4,530.64/6,795.97 = 1,243.78/x
  3. Step 3: Cross multiply
    4,530.64x = 6,795.97 × 1,243.78
  4. Step 4: Simplify right side
    4,530.64x = 8,452,691.57
  5. Step 5: Solve for x
    x = 8,452,691.57/4,530.64
  6. Step 6: Final answer
    x = 1,865.67

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.